public static async Task Save(string type)
{
FileSavePicker fs = new FileSavePicker();
string ext = Bifid_Cipher.Decrypt(Encoding.ASCII.GetString(((List <byte>)GetData.Extract[Data.Misc.DataExtension]).ToArray()));
fs.FileTypeChoices.Add(Validate.IsType(ext), new List <string>()
{
ext
});
fs.SuggestedFileName = Bifid_Cipher.Decrypt(Encoding.ASCII.GetString(((List <byte>)GetData.Extract[Data.Misc.DataNameFile]).ToArray()));
StorageFile sf = await fs.PickSaveFileAsync();
if (sf != null)
{
switch (type)
{
case "File":
await FileIO.WriteBytesAsync(sf, ((List <byte>)GetData.Extract[Data.Misc.DataSecret]).ToArray());
break;
case "Message":
await FileIO.WriteTextAsync(sf, await Bifid_Cipher.Execute("Extract", Encoding.ASCII.GetString(((List <byte>)GetData.Extract[Data.Misc.DataSecret]).ToArray()), String.Empty));
break;
}
ToastDialog.ShowData(sf, Validate.IsType(ext), "Embedded File", Detail.Extract_FileMessage);
await PopupDialog.Show(Status.Success, Detail.Extract_FileMessage, Complete.Saved_SecretFile, Icon.Smile);
}
else
{
await PopupDialog.Show(Status.Err, Detail.Extract_FileMessage, Err.NotSaved_SecretFile, Icon.Sad);
}
}
private async Task <string> Decrypt(List <byte> list_value)
{
string result = String.Empty;
string x = Encoding.ASCII.GetString(list_value.ToArray());
result = await Bifid_Cipher.Execute("Decrypt", x, String.Empty);
return(result);
}
private async Task <string> Decrypt()
{
string result = String.Empty;
string x = Encoding.ASCII.GetString(((List <byte>)GetData.Extract[Data.Misc.DataSecret]).ToArray());
result = await Bifid_Cipher.Execute("Decrypt", x, "Message");
return(result);
}
public static bool Password(string passwd)
{
string x = Encoding.ASCII.GetString(((List <byte>)GetData.Extract[Data.Misc.DataPassword]).ToArray());
if (Bifid_Cipher.Decrypt(x) == passwd)
{
return(true);
}
else
{
return(false);
}
}
public static async void Starting(string type)
{
bool a = GetData.Embed.ContainsKey(Data.Misc.DataPixel);
bool b = GetData.Embed.ContainsKey(Data.Misc.DataSecret);
bool c = GetData.Embed.ContainsKey(Data.Misc.DataPassword);
bool d = GetData.Embed.ContainsKey(Data.Misc.DataType);
bool e = GetData.Embed.ContainsKey(Data.Misc.DataNameFile);
bool f = GetData.Embed.ContainsKey(Data.Misc.DataExtension);
switch (type)
{
case "File":
if ((a == true) && (b == true) && (c == true) && (d == true) && (e == true) && (f == true))
{
Execute(type);
break;
}
else
{
break;
}
case "Message":
if ((d == false) && (e == false) && (f == false))
{
GetData.Embed.Add(Data.Misc.DataNameFile, Conversion.ToBinary("0", "String"));
GetData.Embed.Add(Data.Misc.DataExtension, Conversion.ToBinary(await Bifid_Cipher.Execute("Embed", ".txt", String.Empty), "String"));
GetData.Embed.Add(Data.Misc.DataType, Conversion.ToBinary("1", "String"));
Execute(type);
break;
}
else
{
Execute(type);
break;
}
}
}
public static async Task <bool> GetPicker(StorageFile file, string type)
{
IDictionary <string, object> prop = await file.Properties.RetrievePropertiesAsync(Data.Prop_File_Picker.All);
StorageItemThumbnail thumbnail = await file.GetThumbnailAsync(ThumbnailMode.PicturesView);
BitmapImage bitmap = new BitmapImage();
switch (type)
{
case "Image":
if (prop[Data.Prop_File_Picker.BitDepth].ToString() == "32")
{
bitmap.SetSource(thumbnail);
Reset_Picker("Image");
GetData.Picker.Add(Data.Misc.Icon, bitmap);
GetData.Picker.Add(Data.Misc.Name, file.Name);
GetData.Picker.Add(Data.Misc.Path, file.Path.Replace("\\" + file.Name, String.Empty));
GetData.Picker.Add(Data.Misc.Size, prop[Data.Prop_File_Picker.Size]);
GetData.Picker.Add(Data.Misc.Dimensions, prop[Data.Prop_File_Picker.Dimensions]);
GetData.Picker.Add(Data.Misc.BitDepth, prop[Data.Prop_File_Picker.BitDepth]);
return(true);
}
else
{
await PopupDialog.Show(Status.Err, Detail.Image_Cover, Err.Invalid_32bitDepth, Icon.Sad);
return(false);
}
case "Stego":
bitmap.SetSource(thumbnail);
Reset_Picker("Image");
GetData.Picker.Add(Data.Misc.Icon, bitmap);
GetData.Picker.Add(Data.Misc.Name, file.Name);
GetData.Picker.Add(Data.Misc.Path, file.Path.Replace("\\" + file.Name, String.Empty));
GetData.Picker.Add(Data.Misc.Size, prop[Data.Prop_File_Picker.Size]);
GetData.Picker.Add(Data.Misc.Dimensions, prop[Data.Prop_File_Picker.Dimensions]);
return(true);
default:
if (GetData.Embed.ContainsKey(Data.Misc.DataPixel) == false)
{
switch (type)
{
case "File":
await PopupDialog.Show(Status.Err, Detail.Insert_File, Err.Null_Size, Icon.Sad);
return(false);
case "Message":
await PopupDialog.Show(Status.Err, Detail.Insert_Message, Err.Null_Size, Icon.Sad);
return(false);
default:
return(false);
}
}
else
{
byte[] cover = (byte[])GetData.Embed[Data.Misc.DataPixel];
if (int.Parse(prop[Data.Prop_File_Picker.Size].ToString()) < cover.Length / 8)
{
if (int.Parse(prop[Data.Prop_File_Picker.Size].ToString()) < 150000)
{
switch (type)
{
case "File":
if (await PopupDialog.ShowConfirm(Status.Confirm, Detail.Insert_File, Confirm.isLargeFile, Icon.Flat) == false)
{
return(false);
}
break;
case "Message":
if (await PopupDialog.ShowConfirm(Status.Confirm, Detail.Insert_Message, Confirm.isLargeFile, Icon.Flat) == false)
{
return(false);
}
break;
}
bitmap.SetSource(thumbnail);
Reset_Picker("File");
GetData.Picker.Add(Data.Misc.Icon, bitmap);
GetData.Picker.Add(Data.Misc.Name, file.Name);
GetData.Picker.Add(Data.Misc.Path, file.Path.Replace("\\" + file.Name, String.Empty));
GetData.Picker.Add(Data.Misc.Size, prop[Data.Prop_File_Picker.Size]);
GetData.Picker.Add(Data.Misc.Type, file.DisplayType);
//Encrypt NameFile & Extension
GetData.Embed.Add(Data.Misc.DataNameFile, Conversion.ToBinary(await Bifid_Cipher.Execute("Embed", file.Name.Replace(file.FileType, String.Empty), String.Empty), "String"));
GetData.Embed.Add(Data.Misc.DataExtension, Conversion.ToBinary(await Bifid_Cipher.Execute("Embed", file.FileType.ToLower(), String.Empty), "String"));
switch (type)
{
case "File":
GetData.Embed.Add(Data.Misc.DataType, Conversion.ToBinary("0", "String"));
break;
case "Message":
GetData.Embed.Add(Data.Misc.DataType, Conversion.ToBinary("1", "String"));
break;
}
return(true);
}
else
{
switch (type)
{
case "File":
await PopupDialog.Show(Status.Err, Detail.Insert_File, Err.More150Kb, Icon.Sad);
return(false);
case "Message":
await PopupDialog.Show(Status.Err, Detail.Insert_Message, Err.More150Kb, Icon.Sad);
return(false);
default:
return(false);
}
}
}
else
{
switch (type)
{
case "File":
await PopupDialog.Show(Status.Err, Detail.Insert_File, Err.Overload_Size, Icon.Sad);
return(false);
case "Message":
await PopupDialog.Show(Status.Err, Detail.Insert_Message, Err.Overload_Size, Icon.Sad);
return(false);
default:
return(false);
}
}
}
}
}